Mazda 2.2D SkyActiv Engine. • Today we are working on a Mazda SkyActiv 2.2D engine and showing the process of its assembly. This is a modern diesel engine developed by Mazda with a strong focus on fuel efficiency and eco-friendliness, but at the same time it has both strengths and known weaknesses. • The advantages of the SkyActiv 2.2D include: • high fuel efficiency thanks to its unusually low compression ratio for a diesel • good dynamics and flexibility in operation • quieter and smoother per